<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form class="form-horizontal" method="POST" action="/login" enctype="multipart/form-data">
         用户名：<input type="text" name="username" value="username">
         密  码：<input type="file" name="password" value="password"/>
         <div class="form-group">
             <div>
                <button type="submit" class="btn btn-success" id="btn_upload">提交</button>
                 <input type="reset" class="btn btn-danger" value="重置"/>
             </div>
         </div>
     </form>
</body>
</html>